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Synthesis and Photoisomerization of Diarylcyclobutenes

Raster, P. and Weiss, Stefan and Hilt, G. and König, Burkhard (2011) Synthesis and Photoisomerization of Diarylcyclobutenes. Synthesis : Journal of Synthetic Organic Chemistry (6), 905 -908.

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Abstract

Symmetrically and unsymmetrically substituted diarylcyclobutenes are synthesized in 20-70% yields from alkyne precursors via cobalt-catalyzed [2+2] cycloadditions. The reactions proceed under mild conditions and provide access to differently substituted diarylethene derivatives. All the diarylcyclobutene products undergo reversible photoisomerization upon irradiation with UV/Vis light. The ...

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Item Type:Article
Date:2011
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Burkhard König
Projects:DFG
Identification Number:
ValueType
10.1055/s-0030-1258435DOI
Keywords:diarylethene - photoswitchable - cyclobutene - photochromic reactions - [2+2] cycloaddition
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Regina Hoheisel
Deposited On:16 Feb 2011 09:09
Last Modified:10 Mar 2011 07:53
Item ID:19625
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